Lubricant used in the ball groove rolling sliding contact pair of a heavy load tracked vehicle is a lithium base grease which is waterproof and heat-resistant.
某型重载车辆主离合器分离弹子槽使用锂基润滑脂作为润滑剂,使用过程中,由于外界的沙石、灰尘等很容易进入润滑脂中成为磨料而导致早期的三体磨损失效。
Study on acoustic detection of stator slot wedges in large generators;
大型发电机定子槽楔松动的声检测研究
After a long term running of large generator,the stator slot wedges would become loose under electromagnetism force as a result of the compositive effect of stator winding current and the magnetic field across through stator slot.
大型发电机在长期的运行过程中,由于定子线圈的电流与定子槽内横向磁场的作用使得槽部线棒承受相当大的电磁力,定子槽楔长期在机械应力作用下会发生松动现象。
The overhaul procedure of the stator wedge in pumped storage power station is introduced in this paper.
本文详细介绍抽水蓄能机组定子槽楔的结构,大修中发现的径向压紧力下降、部分槽楔出现向下移位、波纹垫条老化等问题及大修的工艺,为抽水蓄能机组的定子槽楔大修进行了经验总结。
An on\|site test was performed through the acoustic detection system to detect stator wedge looseness in a generator.
本文将声学技术应用于大电机定子槽楔松动的无损检测中,研制出一套数字化声学检测系统,对发电机定子槽楔的松紧状态进行现场实测。
In this paper,a physical model,thin plate resonator model,is proposed and analyzed based on the thin plate theory to investigate the acoustic signal response of the loose stator wedge to an impact.
基于薄板理论 ,建立并分析了电动机定子槽楔松动后的物理模型 ,薄板声谐振子模型。
The authors analyse at first the skin effect coefficient on rotor slot of different shapes by adopting finite element method; and then predict the skin effect coefficient of motor rotor by a new method which combines nonlinear mapping ability of artificial neural netwo.
由于逆变电源中大量谐波分量的存在 ,高速异步电机转子槽中的集肤效应现象更加严重 。
Optimization of numerical simulation for rotor wedge of 600MW turbogenerator with gap-pickup ventilation system was investigated with CFD software.
针对600MW气隙取气氢内冷汽轮发电机,对其转子槽楔的通风性能进行了CFD数值模拟优化研究,获得了结构参数和结构型式对转子槽楔取风性能的影响规律,为汽轮发电机转子槽楔的优化设计提供了可靠的依据。